Y33

Billable
ChapterV00–Y99
Rankcategory
Description

Other specified events, undetermined intent

About ICD-10-CM code Y33

The ICD-10-CM tabular list places Other specified events, undetermined intent at code Y33, inside V00-Y99 External Causes of Morbidity, within Event of undetermined intent (Y21-Y33). You can submit this code on claims since it carries full billing specificity.

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 20: External Causes of Morbidity (V00-Y99).

Y21-Y33 Parent Instructions

Includes
  • Undetermined intent is only for use when there is specific documentation in the record that the intent of the injury cannot be determined. If no such documentation is present, code to accidental (unintentional)

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
Y21-Y33Event of undetermined intent (Y21-Y33)
Y33Other specified events, undetermined intentBillable
Y33.XXXAOther specified events, undetermined intent, initial encounterBillable
Y33.XXXDOther specified events, undetermined intent, subsequent encounterBillable
Y33.XXXSOther specified events, undetermined intent, sequelaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Y33:

blockY21-Y33
Event of undetermined intent (Y21-Y33)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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